LEDs

Light-Emitting Diodes (LEDs) are small, powerful lights that are used in many different applications. Blinking an LED is the classic starting point for learning how to program embedded electronics. It's the "Hello, World!" of microcontrollers. We recommend looking at the LED tutorial and SIK experiment guide to get started.

New!

SparkFun gator:particle Hookup Guide

June 13, 2019

The gator:particle is an I2C heart-rate monitor and pulse oximeter that can be used as a particle sensor. This tutorial will get you started using the gator:particle with the micro:bit platform.
New!

Basic Character LCD Hookup Guide

May 28, 2019

Liquid crystal displays (LCDs) are a great way to output a string of words or sensor data to a display for visual feedback. In this tutorial, we'll learn about LCDs, how to print a strings of words to a 16x2 basic character LCD, create custom characters.

LED Gumball Machine

April 24, 2019

Hacking gumball machines to make the world a happier, blinkier place.

Wireless Glove Controller

April 24, 2019

Build a wireless glove controller with Arduinos to trigger an LED using XBees!

SparkFun ESP32 DMX to LED Shield

March 28, 2019

Learn how to utilize your DMX to LED Shield in a variety of different ways.

Beginner Parts Kit Identification Guide

March 22, 2019

The essential parts for beginning (or even experienced) hobbyists that gives you all of the basic through-hole components you will need to get started playing with embedded projects. We'll identify a few parts in the kit and provide a few basic circuits to get started!

SparkFun gator:bit v2 Hookup Guide

January 31, 2019

The gator:bit v2 is a breakout board for the BBC micro:bit. The gator:bit exposes almost every pin on the micro:bit to clippable pad with circuit protection. It also has as built-in addressable LEDs and a built-in buzzer.

Motion Controlled Wearable LED Dance Harness

January 30, 2019

Control LEDs based on your movement using an accelerometer! Make your LEDs breathe by fading in and out when laying on the floor, turn off the LEDs when moving to your side, or make the LEDs blink in a headstand!

LuMini 8x8 Matrix Hookup Guide

January 24, 2019

The LuMini 8x8 Matrix are the highest resolution LED matrix available.

RedBoard Turbo Hookup Guide

January 24, 2019

An introduction to the RedBoard Turbo. Level up your Arduino-skills with the powerful SAMD21 ARM Cortex M0+ processor!

Live Spotify Album Art Display

January 23, 2019

Learn how to turn our 64x64 RGB LED Matrix Panel into a display for your current Spotify album art using an ESP32.

LumiDrive Hookup Guide

January 17, 2019

The LumiDrive LED Driver is SparkFun’s foray into all things Python on micro-controllers. With the SparkFun LumiDrive you will be able to control and personalize a whole strand of APA102s directly from the board itself.

LuMini Ring Hookup Guide

January 17, 2019

The LuMini Rings (APA102-2020) are the highest resolution LED rings available.

Qwiic Twist Hookup Guide

December 13, 2018

Take your volume knob beyond 11 with the Qwiic Twist digital RGB LED encoder via I2C!

3D Printed Illuminated Wand Prop

November 29, 2018

In this tutorial, we will learn about how to create a theatrical prop for a performance by 3D printing a wand and adding an LED.

Getting Started with the SmartLED Shield for Teensy

November 9, 2018

In this tutorial, we will connect different RGB LED matrix panels to PixelMatix's SmartLED shield and Teensy.

Spectral Triad (AS7265x) Hookup Guide

November 8, 2018

Learn how to wield the power of 18 channels of UV to NIR spectroscopy with AS72651 (UV), AS72652 (VIS), and AS72653 (NIR) sensors!

Gator:starter ProtoSnap Hookup Guide

October 18, 2018

Get started clipping sensors and lights to the micro:bit with the gator:starter gator:board from SparkFun!

Gator:color ProtoSnap Hookup Guide

October 18, 2018

Clip some LED's onto your gator:bit with the gator:color.

Flashlight Kit

October 11, 2018

This is an assembly guide for the SparkFun Flashlight Kit, a basic learn to solder kit.

DIY Light Sculpture

August 23, 2018

In this digital fabrication project featuring 3D printing, laser cutting, and DIY electronics, you will build a beautiful design object for your desktop or night stand.

SparkFun Paper Circuit Kits

July 5, 2018

Learn how to build a simple paper circuit using copper tape, a 5mm LED, and a 3V coin cell battery.

Mean Well LED Switching Power Supply Hookup Guide

June 28, 2018

In this tutorial, we will be connecting a Mean Well LED switching power supply to an addressable LED strip controlled by an Arduino.

Light Up Your 3D Printer's Bed

June 27, 2018

Having issues viewing your print in a dark lit room? In this tutorial, we will be using LED strips to light up a print bed's area on a LulzBot 3D printer!

Old Tutorials

Looking for the old, archived tutorials? Head on over to the archived tutorials on the main SparkFun site.
Please be aware that the tutorials you find there are no longer actively maintained.